Novel solenoid valve capable of increasing thrust of valve element

Abstract

The invention discloses a novel solenoid valve capable of increasing thrust of a valve element. The novel solenoid valve comprises a shell, a stop seat arranged in the shell and fixed to the top of the shell, an armature arranged with the stop seat with a preset axial clearance, and a valve sleeve matched with the bottom of the shell for sealing; a coil is wound around the stop seat, and the armature moves in the axial direction of the shell under the effect of electromagnetic force of the coil; the valve element capable of moving up and down relative to the valve sleeve to switch oil ways isarranged in the center of the valve sleeve; and the novel solenoid valve further comprises a labor-saving lever mechanism which is arranged in the shell, connected with the armature and driven by thearmature to drive the valve element to move downwards. According to the novel solenoid valve capable of increasing the thrust of the valve element, parameters of the coil do not need to be changed, the valve element can be pushed to move to complete switching of the oil ways when the voltage of the coil is insufficient, and the problem that when the voltage is insufficient, the valve element cannot be pushed to switch the oil ways is solved.

Description

technical field [0001] The invention relates to the technical field of solenoid valves, in particular to a novel solenoid valve that improves the thrust of a valve core. Background technique [0002] Solenoid valve is an important control element of fuel regulator. With the advancement of aviation technology, the solenoid valve matched with fuel regulator is also developing in the direction of high reliability, high precision and miniaturization. Generally speaking, the solenoid valve is a part of the whole system. In the design process, when the system cannot achieve a good power distribution problem, that is to say, when there is not enough voltage and current to supply the solenoid valve, the insufficient electromagnetic force will lead to poor sealing. It even fails to push the spool to move, which leads to the failure of the function of the solenoid valve, which greatly affects the rapid development of the aviation industry, electric power control industry, and hydrauli...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a new type of solenoid valve with improved spool thrust. The solenoid valve does not need to change the coil parameters, and can push the spool to move to complete the oil circuit switching when the coil voltage is insufficient. oil switch problem

Images